11212310231200 has 144 divisors (see below), whose sum is σ = 29479395994776. Its totient is φ = 4139676979200.

The previous prime is 11212310231189. The next prime is 11212310231251. The reversal of 11212310231200 is 213201321211.

It can be written as a sum of positive squares in 12 ways, for example, as 1800888848784 + 9411421382416 = 1341972^2 + 3067804^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315528634 + ... + 315564166.

Almost surely, 2^{11212310231200} is an apocalyptic number.

11212310231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212310231200 is an abundant number, since it is smaller than the sum of its proper divisors (18267085763576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11212310231200 is a wasteful number, since it uses less digits than its factorization.

11212310231200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65907 (or 65894 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11212310231200 its reverse (213201321211), we get a palindrome (11425511552411).

The spelling of 11212310231200 in words is "eleven trillion, two hundred twelve billion, three hundred ten million, two hundred thirty-one thousand, two hundred".